150 Door Fault Flashcards
1
Q
Door control lost?
A
DKS off
Door supply mcb tripped
2
Q
Doors will not close?
A
No air supply to ram/piston
Air ram/piston faulty
Belt jammed or defective
Runners obstructed
3
Q
Doors will not open?
A
Close buttons stuck in
Door supply and door control mcb
Door or doors locked out mechanically